General description The GROOFOO 17Pcs Red High Speed Steel Bi-Metal Hole Saw Set is designed for woodworking and drilling tasks. This comprehensive set includes various sizes of hole saw blades made from bimetal high-speed steel, ensuring durability and efficiency. The sharp serrations are perfect for drilling through metal, wood, and PVC panels, while the optimized saw tooth design enhances cutting precision and cleanliness. Technical specifications Material: Bimetal high-speed steel Thickness of cutting part: 2mm Includes 11 sizes of saw blades: 3/4, 7/8, 1-1/8, 1-3/8, 1-1/2, 1-3/4, 2, 2-1/8, 2-1/4, 2-1/2, 2-11/16 inch (19mm, 22mm, 25mm, 29mm, 35mm, 38mm, 44mm, 51mm, 57mm, 60mm, 68mm) Maximum cutting depth: Approx. 40mm / 1.6in Dimensions of storage box: Approx. 27 x 23 x 6.5cm / 10.6 x 9.1 x 2.6in Compatibility and accessories Compatible with most drill bits from other manufacturers Package includes: 11 x Bimetallic hole saw blades, 2 x Chuck, 3 x Drills, 2 x Hex keys, 1 x Washer,